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<h1>Class <code>luci.model.ipkg</code></h1>

<p></p>







<h2>Functions</h2>
<table class="function_list">

	<tr>
	<td class="name" nowrap><a href="#compare_versions">compare_versions</a>&nbsp;(ver1, ver2, comp)</td>
	<td class="summary">
 
lua version of opkg compare-versions 
 </td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#find">find</a>&nbsp;(pat, cb)</td>
	<td class="summary">
 
Find packages that match the given pattern.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#info">info</a>&nbsp;(pkg)</td>
	<td class="summary">
 
Return information about installed and available packages.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#install">install</a>&nbsp;(...)</td>
	<td class="summary">
 
Install one or more packages.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#installed">installed</a>&nbsp;(pkg)</td>
	<td class="summary">
 
Determine whether a given package is installed.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#list_all">list_all</a>&nbsp;(pat, cb)</td>
	<td class="summary">
 
List all packages known to opkg.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#list_installed">list_installed</a>&nbsp;(pat, cb)</td>
	<td class="summary">
 
List installed packages.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#overlay_root">overlay_root</a>&nbsp;()</td>
	<td class="summary">
 
Determines the overlay root used by opkg.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#remove">remove</a>&nbsp;(...)</td>
	<td class="summary">
 
Remove one or more packages.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#status">status</a>&nbsp;(pkg)</td>
	<td class="summary">
 
Return the package status of one or more packages.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#update">update</a>&nbsp;()</td>
	<td class="summary">
 
Update package lists.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#upgrade">upgrade</a>&nbsp;()</td>
	<td class="summary">
 
Upgrades all installed packages.</td>
	</tr>

</table>






<br/>
<br/>


<h2><a name="functions"></a>Functions</h2>
<dl class="function">



<dt><a name="compare_versions"></a><strong>compare_versions</strong>&nbsp;(ver1, ver2, comp)</dt>
<dd>

 
lua version of opkg compare-versions 



<h3>Parameters</h3>
<ul>
	
	<li>
	  ver1: string version 1
	</li>
	
	<li>
	  ver2: string version 2
	</li>
	
	<li>
	  comp: string compare versions using 
		"<=" or "<" lower-equal 
		">" or ">=" greater-equal 
		"=" equal 
		"<<" lower 
		">>" greater 
		"~=" not equal
	</li>
	
</ul>






<h3>Return value:</h3>
Boolean indicating the status of the compare



</dd>




<dt><a name="find"></a><strong>find</strong>&nbsp;(pat, cb)</dt>
<dd>

 
Find packages that match the given pattern. 



<h3>Parameters</h3>
<ul>
	
	<li>
	  pat: Find packages whose names or descriptions match this pattern, nil results in zero results
	</li>
	
	<li>
	  cb: Callback function invoked for each patckage, receives name, version and description as arguments
	</li>
	
</ul>






<h3>Return value:</h3>
nothing



</dd>




<dt><a name="info"></a><strong>info</strong>&nbsp;(pkg)</dt>
<dd>

 
Return information about installed and available packages. 



<h3>Parameters</h3>
<ul>
	
	<li>
	  pkg: Limit output to a (set of) packages
	</li>
	
</ul>






<h3>Return value:</h3>
Table containing package information



</dd>




<dt><a name="install"></a><strong>install</strong>&nbsp;(...)</dt>
<dd>

 
Install one or more packages. 



<h3>Parameters</h3>
<ul>
	
	<li>
	  ...: List of packages to install
	</li>
	
</ul>






<h3>Return values:</h3>
<ol>
	
	<li>Boolean indicating the status of the action
	
	<li>OPKG return code, STDOUT and STDERR
	
</ol>



</dd>




<dt><a name="installed"></a><strong>installed</strong>&nbsp;(pkg)</dt>
<dd>

 
Determine whether a given package is installed. 



<h3>Parameters</h3>
<ul>
	
	<li>
	  pkg: Package
	</li>
	
</ul>






<h3>Return value:</h3>
Boolean



</dd>




<dt><a name="list_all"></a><strong>list_all</strong>&nbsp;(pat, cb)</dt>
<dd>

 
List all packages known to opkg. 



<h3>Parameters</h3>
<ul>
	
	<li>
	  pat: Only find packages matching this pattern, nil lists all packages
	</li>
	
	<li>
	  cb: Callback function invoked for each package, receives name, version and description as arguments
	</li>
	
</ul>






<h3>Return value:</h3>
nothing



</dd>




<dt><a name="list_installed"></a><strong>list_installed</strong>&nbsp;(pat, cb)</dt>
<dd>

 
List installed packages. 



<h3>Parameters</h3>
<ul>
	
	<li>
	  pat: Only find packages matching this pattern, nil lists all packages
	</li>
	
	<li>
	  cb: Callback function invoked for each package, receives name, version and description as arguments
	</li>
	
</ul>






<h3>Return value:</h3>
nothing



</dd>




<dt><a name="overlay_root"></a><strong>overlay_root</strong>&nbsp;()</dt>
<dd>

 
Determines the overlay root used by opkg. 








<h3>Return value:</h3>
String containing the directory path of the overlay root.



</dd>




<dt><a name="remove"></a><strong>remove</strong>&nbsp;(...)</dt>
<dd>

 
Remove one or more packages. 



<h3>Parameters</h3>
<ul>
	
	<li>
	  ...: List of packages to install
	</li>
	
</ul>






<h3>Return values:</h3>
<ol>
	
	<li>Boolean indicating the status of the action
	
	<li>OPKG return code, STDOUT and STDERR
	
</ol>



</dd>




<dt><a name="status"></a><strong>status</strong>&nbsp;(pkg)</dt>
<dd>

 
Return the package status of one or more packages. 



<h3>Parameters</h3>
<ul>
	
	<li>
	  pkg: Limit output to a (set of) packages
	</li>
	
</ul>






<h3>Return value:</h3>
Table containing package status information



</dd>




<dt><a name="update"></a><strong>update</strong>&nbsp;()</dt>
<dd>

 
Update package lists. 








<h3>Return values:</h3>
<ol>
	
	<li>Boolean indicating the status of the action
	
	<li>OPKG return code, STDOUT and STDERR
	
</ol>



</dd>




<dt><a name="upgrade"></a><strong>upgrade</strong>&nbsp;()</dt>
<dd>

 
Upgrades all installed packages. 








<h3>Return values:</h3>
<ol>
	
	<li>Boolean indicating the status of the action
	
	<li>OPKG return code, STDOUT and STDERR
	
</ol>



</dd>


</dl>





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